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Finding the Fourth Proportional to 187,911.28, 259,317.21 and 103,028.14

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Solution

The fourth proportional to 187,911.28, 259,317.21 and 103,028.14 is: 142,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,911.28 : 259,317.21 = 103,028.14 : x
  2. Step 2: Convert to fraction form
    187,911.28/259,317.21 = 103,028.14/x
  3. Step 3: Cross multiply
    187,911.28x = 259,317.21 × 103,028.14
  4. Step 4: Simplify right side
    187,911.28x = 26,716,969,816.29
  5. Step 5: Solve for x
    x = 26,716,969,816.29/187,911.28
  6. Step 6: Final answer
    x = 142,178.64

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